80872550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 176774400

約数和(自身を除く): 95901850

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 71, 95, 109, 110, 142, 190, 209, 218, 275, 355, 418, 475, 545, 550, 710, 781, 950, 1045, 1090, 1199, 1349, 1562, 1775, 2071, 2090, 2398, 2698, 2725, 3550, 3905, 4142, 5225, 5450, 5995, 6745, 7739, 7810, 10355, 10450, 11990, 13490, 14839, 15478, 19525, 20710, 22781, 29678, 29975, 33725, 38695, 39050, 45562, 51775, 59950, 67450, 74195, 77390, 85129, 103550, 113905, 147041, 148390, 170258, 193475, 227810, 294082, 370975, 386950, 425645, 569525, 735205, 741950, 851290, 1139050, 1470410, 1617451, 2128225, 3234902, 3676025, 4256450, 7352050, 8087255, 16174510, 40436275, 80872550]

約数ペア:

[(1, 80872550), (2, 40436275), (5, 16174510), (10, 8087255), (11, 7352050), (19, 4256450), (22, 3676025), (25, 3234902), (38, 2128225), (50, 1617451), (55, 1470410), (71, 1139050), (95, 851290), (109, 741950), (110, 735205), (142, 569525), (190, 425645), (209, 386950), (218, 370975), (275, 294082), (355, 227810), (418, 193475), (475, 170258), (545, 148390), (550, 147041), (710, 113905), (781, 103550), (950, 85129), (1045, 77390), (1090, 74195), (1199, 67450), (1349, 59950), (1562, 51775), (1775, 45562), (2071, 39050), (2090, 38695), (2398, 33725), (2698, 29975), (2725, 29678), (3550, 22781), (3905, 20710), (4142, 19525), (5225, 15478), (5450, 14839), (5995, 13490), (6745, 11990), (7739, 10450), (7810, 10355)]